CN221036849U - Rotary kiln radiant heat recovery device - Google Patents

Abstract

The utility model relates to the technical field of heat recovery, in particular to a rotary kiln radiant heat recovery device, wherein a motor drives a screw pipe to rotate through a transmission device so as to push a lower shell to move upwards to be covered below a rotary kiln, then an upper shell is hoisted above the rotary kiln and is fixedly connected with the lower shell to form a complete cylinder, a lower branch pipe and an upper branch pipe are connected, a lower calandria and an upper calandria are connected, cold water enters a first heat absorption pipe and a second heat absorption pipe from an external pipe to absorb heat, then the heat is discharged from a heat pipe, the heat transfer absorption is improved through a heat conducting plate, and air flow between the upper shell and the lower shell is driven through a fan so as to accelerate the flow absorption of the heat; the device comprises a lower shell and an upper shell, wherein the bottom of the upper shell is connected with the top of the lower shell; still include coupling mechanism, supporting mechanism and heat recovery mechanism, coupling mechanism sets up on the inferior valve and is connected with the epitheca, and supporting mechanism sets up in the bottom of inferior valve, and heat recovery mechanism sets up on inferior valve and epitheca.

Description

Rotary kiln radiant heat recovery device

Technical Field

The utility model relates to the technical field of heat recovery, in particular to a radiant heat recovery device of a rotary kiln.

Background

The rotary kiln radiation heat recovery device is an auxiliary device for recovering heat at the radiation position of a rotary kiln for calcining building materials in the production and processing process of the building materials such as cement, lime and the like, and reduces heat waste, and is widely used in the technical field of heat recovery; the patent with the application number 202221593836.3 discloses a heat recovery device for radiant heat of a rotary kiln body, which is characterized in that a heat conducting cover is arranged on the outer side of a rotary kiln body, so that heat on the outer side of the rotary kiln body is led out through circulating water of the heat conducting cover, the heated circulating water and water vapor are used in other industrial production, and the heat recovery device can not cause the heat conducting cover to increase rotation resistance to the rotary kiln body through balls in an arc-shaped mounting rod; but current rotary kiln radiant heat recovery unit is general direct fixed mounting in the outside of rotary kiln, and its installation flexibility is general, and when needing to overhaul the rotary kiln, is difficult to dismantle recovery unit fast, influences maintenance efficiency.

Disclosure of utility model

In order to solve the technical problems, the utility model provides the rotary kiln radiant heat recovery device which is flexible and convenient to install and has higher heat recovery efficiency.

The utility model relates to a radiant heat recovery device of a rotary kiln, which comprises a lower shell and an upper shell, wherein the bottom of the upper shell is connected with the top of the lower shell; the device also comprises a connecting mechanism, a supporting mechanism and a heat recovery mechanism, wherein the connecting mechanism is arranged on the lower shell and connected with the upper shell, the supporting mechanism is arranged at the bottom of the lower shell, and the heat recovery mechanism is arranged on the lower shell and the upper shell; when using rotary kiln radiant heat recovery unit, remove the inferior valve to the below of rotary kiln, the motor passes through transmission drive screwed pipe and rotates, thereby promote the inferior valve to reciprocate to cover the below of establishing at the rotary kiln, then hoist the epitheca in the top of rotary kiln and form complete drum with inferior valve fixed connection, connect down branch pipe and last branch pipe, connect down calandria and last calandria, cold water gets into first heat absorption pipe and second heat absorption pipe from the external pipe and absorbs the heat, then self-heating water pipe discharges, improve thermal transfer absorption through the heat-conducting plate, drive the air flow between epitheca and the inferior valve through the fan, accelerate thermal flow absorption, when the rotary kiln overhauls, can dismantle separation epitheca and inferior valve fast through the double-screw bolt cooperation swivel nut, and is easy and fast to operate, and overall structure is simple, and the simple operation, the practicality is stronger.

Preferably, the connecting mechanism comprises a lower plate, a stud, an upper plate and a threaded sleeve, wherein the lower plate is fixedly arranged at the upper part of the lower shell, the stud is fixedly arranged at the top of the lower plate, the upper plate is fixedly arranged at the lower part of the upper shell, a through hole is formed in the middle of the upper plate, the top of the stud upwards passes through the through hole and is above the upper plate, and the threaded sleeve is screwed at the upper part of the stud and is in contact with the top of the upper plate; the upper shell and the lower shell are tightly connected through the matching of the stud and the screw sleeve.

Preferably, the supporting mechanism comprises a base, a motor, a screw, a top plate and a supporting frame, wherein the base is positioned below the lower shell, the motor is fixedly arranged at the top of the base, a transmission device is arranged in the base and connected with the output end of the motor, the screw is rotationally arranged in the middle of the base and connected with the output end of the transmission device, the bottom of the screw is inserted from the top of the screw and is screwed in the screw, the top plate is fixedly arranged at the top of the screw, the supporting frame is fixedly arranged at the top of the top plate, and the top of the supporting frame is fixedly connected with the bottom of the lower shell; the motor drives the screw pipe to rotate through the transmission device, so that the lower shell is pushed to move upwards to cover the lower part of the rotary kiln, and then the upper shell is hoisted above the rotary kiln and is fixedly connected with the lower shell to form a complete cylinder.

Preferably, the heat recovery mechanism comprises an outer connecting pipe, a lower branch pipe, an upper branch pipe, a first heat absorption pipe, a second heat absorption pipe, a lower calandria, an upper calandria and a hot water pipe, wherein the first heat absorption pipe is fixedly arranged in the middle of the lower shell, the lower branch pipe is fixedly arranged on the right side of the front part of the first heat absorption pipe and extends out of the lower shell forwards, the outer connecting pipe is arranged at the bottom of the lower branch pipe, the second heat absorption pipe is fixedly arranged in the middle of the upper shell, the upper branch pipe is fixedly arranged on the right end of the front part of the second heat absorption pipe and extends out of the upper shell forwards, the front part of the upper branch pipe is connected with the lower branch pipe through a flange, the lower calandria is fixedly arranged at the left end of the rear part of the first heat absorption pipe and penetrates out of the lower shell backwards, the hot water pipe is arranged at the rear part of the first heat absorption pipe, the upper calandria is arranged at the left end of the rear part of the second heat absorption pipe and penetrates out of the upper shell backwards, and the rear part of the upper calandria lower calandria is connected with the lower calandria through a flange; cold water enters the first heat absorption pipe and the second heat absorption pipe from the external pipe to absorb heat, and then is discharged from the hot water pipe.

Preferably, the heat-conducting plate is provided with a plurality of groups of heat-conducting plates which are uniformly arranged on the upper heat-absorbing pipe and the lower heat-absorbing pipe, the supporting wheel is rotationally arranged at the inner end of the lower shell, and the fan is fixedly arranged on the lower shell; the lower shell is positioned and installed below the rotary kiln through the supporting wheel, air flow between the upper shell and the lower shell is accelerated through the fan, and the heat conducting plate rapidly transfers heat into the first heat absorbing pipe and the second heat absorbing pipe.

Preferably, the device further comprises a supporting rod, a fixing plate, a guide pipe, a guide rod and a universal wheel, wherein the supporting rod is fixedly arranged at the top of the base, the fixing plate is fixedly arranged at the middle part of the supporting rod, the middle part of the fixing plate is sleeved at the upper part of the spiral pipe, the guide pipe is fixedly arranged at the top of the base and upwards penetrates through the fixing plate, the guide rod is fixedly arranged at the bottom of the top plate, the bottom of the guide rod is downwards inserted into the guide pipe, and the universal wheel is arranged at the bottom of the base; the stability of the top plate is maintained by the above arrangement.

Preferably, the device also comprises a sealing ring, wherein the sealing ring is fixedly arranged at the end parts of the lower shell and the upper shell; the ends of the upper and lower cases are closed by the above arrangement.

Preferably, the device further comprises a hanging ring, wherein the hanging ring is fixedly arranged at the top of the upper shell.

Compared with the prior art, the utility model has the beneficial effects that: when using rotary kiln radiant heat recovery unit, remove the inferior valve to the below of rotary kiln, the motor passes through transmission drive screwed pipe and rotates, thereby promote the inferior valve to reciprocate to cover the below of establishing at the rotary kiln, then hoist the epitheca in the top of rotary kiln and form complete drum with inferior valve fixed connection, connect down branch pipe and last branch pipe, connect down calandria and last calandria, cold water gets into first heat absorption pipe and second heat absorption pipe from the external pipe and absorbs the heat, then self-heating water pipe discharges, improve thermal transfer absorption through the heat-conducting plate, drive the air flow between epitheca and the inferior valve through the fan, accelerate thermal flow absorption, when the rotary kiln overhauls, can dismantle separation epitheca and inferior valve fast through the double-screw bolt cooperation swivel nut, and is easy and fast to operate, and overall structure is simple, and the simple operation, the practicality is stronger.

Drawings

FIG. 1 is a first schematic axial view of the present utility model;

FIG. 2 is a second schematic view of the present utility model;

FIG. 3 is a schematic diagram of the front view of the present utility model;

FIG. 4 is a left side schematic view of the present utility model;

FIG. 5 is a right side view of the present utility model;

FIG. 6 is a schematic top view of the lower shell of the present utility model;

FIG. 7 is a schematic diagram of the structure of the lower shell of the present utility model in an isometric view;

The reference numerals in the drawings: 1. a lower case; 2. an upper case; 3. a lower plate; 4. a stud; 5. an upper plate; 6. a screw sleeve; 7. a base; 8. a motor; 9. a solenoid; 10. a screw; 11. a top plate; 12. a support frame; 13. an outer connecting pipe; 14. a lower branch pipe; 15. an upper branch pipe; 16. a first heat absorbing pipe; 17. a second heat absorbing pipe; 18. a lower calandria; 19. a calandria is arranged; 20. a hot water pipe; 21. a heat conductive plate; 22. a support wheel; 23. a blower; 24. a support rod; 25. a fixing plate; 26. a guide tube; 27. a guide rod; 28. a universal wheel; 29. sealing rings; 30. and (5) hanging rings.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

The radiant heat recovery device of the rotary kiln comprises a lower shell 1 and an upper shell 2, wherein the bottom of the upper shell 2 is connected with the top of the lower shell 1; the device also comprises a connecting mechanism, a supporting mechanism and a heat recovery mechanism, wherein the connecting mechanism is arranged on the lower shell 1 and connected with the upper shell 2, the supporting mechanism is arranged at the bottom of the lower shell 1, the heat recovery mechanism is arranged on the lower shell 1 and the upper shell 2, the connecting mechanism comprises a lower plate 3, a stud 4, an upper plate 5 and a screw sleeve 6, the lower plate 3 is fixedly arranged at the upper part of the lower shell 1, the stud 4 is fixedly arranged at the top of the lower plate 3, the upper plate 5 is fixedly arranged at the lower part of the upper shell 2, the middle part of the upper plate 5 is provided with a through hole, the top of the stud 4 upwards passes through the upper part of the through hole to the upper plate 5, the screw sleeve 6 is screwed on the upper part of the stud 4 and contacts with the top of the upper plate 5, the supporting mechanism comprises a base 7, a motor 8, a screw tube 9, a screw 10, a top plate 11 and a supporting frame 12, the base 7 is arranged below the lower shell 1, the motor 8 is fixedly arranged at the top of the base 7, the inside of the base 7 is provided with a transmission device and is connected with the output end of the motor 8, the screw pipe 9 is rotatably arranged in the middle of the base 7 and is connected with the output end of the transmission device, the bottom of the screw rod 10 is inserted from the top of the screw pipe 9 and is screwed in the screw pipe 9, the top plate 11 is fixedly arranged at the top of the screw rod 10, the supporting frame 12 is fixedly arranged at the top of the top plate 11, the top of the supporting frame 12 is fixedly connected with the bottom of the lower shell 1, the supporting rod 24 is fixedly arranged at the top of the base 7, the fixing plate 25 is fixedly arranged in the middle of the supporting rod 24, the middle of the fixing plate 25 is sleeved on the upper part of the screw pipe 9, the guide pipe 26 is fixedly arranged at the top of the base 7 and upwards penetrates through the fixing plate 25, the guide rod 27 is fixedly arranged at the bottom of the top plate 11, the bottom of the guide rod 27 is downwards inserted into the guide pipe 26, the universal wheel 28 is arranged at the bottom of the base 7, and the hanging ring 30 is fixedly arranged at the top of the upper shell 2; the lower shell 1 is moved to the lower part of the rotary kiln, the motor 8 drives the solenoid 9 to rotate through the transmission device, so that the lower shell 1 is pushed to move upwards to cover the lower part of the rotary kiln, and then the upper shell 2 is hoisted above the rotary kiln and fixedly connected with the lower shell 1 to form a complete cylinder.

Example 2

The radiant heat recovery device of the rotary kiln comprises a lower shell 1 and an upper shell 2, wherein the bottom of the upper shell 2 is connected with the top of the lower shell 1; the heat recovery device also comprises a connecting mechanism, a supporting mechanism and a heat recovery mechanism, wherein the connecting mechanism is arranged on the lower shell 1 and connected with the upper shell 2, the supporting mechanism is arranged at the bottom of the lower shell 1, the heat recovery mechanism is arranged on the lower shell 1 and the upper shell 2, the heat recovery mechanism comprises an outer connecting pipe 13, a lower branch pipe 14, an upper branch pipe 15, a first heat-absorbing pipe 16, a second heat-absorbing pipe 17, a lower calandria 18, an upper calandria 19 and a hot water pipe 20, the first heat-absorbing pipe 16 is fixedly arranged at the middle part of the lower shell 1, the lower branch pipe 14 is fixedly arranged at the right side of the front part of the first heat-absorbing pipe 16 and extends out of the lower shell 1 forwards, the outer connecting pipe 13 is arranged at the bottom of the lower branch pipe 14, the second heat-absorbing pipe 17 is fixedly arranged at the middle part of the upper shell 2, the upper branch pipe 15 is fixedly arranged at the right end of the front part of the second heat absorption pipe 17 and extends forwards to the upper shell 2, the front part of the upper branch pipe 15 is connected with the lower branch pipe 14 through a flange, the lower discharge pipe 18 is fixedly arranged at the left end of the rear part of the first heat absorption pipe 16 and penetrates backwards out of the lower shell 1, the hot water pipe 20 is arranged at the rear part of the first heat absorption pipe 16, the upper discharge pipe 19 is arranged at the left end of the rear part of the second heat absorption pipe 17 and penetrates backwards out of the upper shell 2, the rear part of the upper discharge pipe 19 is connected with the lower discharge pipe 18 through a flange, the heat conduction plate 21 is provided with a plurality of groups and uniformly arranged on the upper heat absorption pipe and the lower heat absorption pipe, the supporting wheel 22 is rotatably arranged at the inner end of the lower shell 1, the fan 23 is fixedly arranged on the lower shell 1, and the sealing ring 29 is fixedly arranged at the end parts of the lower shell 1 and the upper shell 2; cold water enters the first heat absorption pipe 16 and the second heat absorption pipe 17 from the external connection pipe 13 to absorb heat, then is discharged from the hot water pipe 20, improves heat transfer absorption through the heat conduction plate 21, drives air flow between the upper shell 2 and the lower shell 1 through the fan 23, and accelerates heat flow absorption.

As shown in fig. 1 to 7, when the rotary kiln radiant heat recovery device is used, the lower shell 1 is moved to the lower part of the rotary kiln, the motor 8 drives the screw pipe 9 to rotate through the transmission device, so that the lower shell 1 is pushed to move upwards to be covered below the rotary kiln, then the upper shell 2 is hoisted above the rotary kiln and is fixedly connected with the lower shell 1 to form a complete cylinder, the lower branch pipe 14 and the upper branch pipe 15 are connected, the lower calandria 18 and the upper calandria 19 are connected, cold water enters the first heat absorption pipe 16 and the second heat absorption pipe 17 from the external connection pipe 13 to absorb heat, then the heat is discharged from the heat conduction pipe 20, the heat transfer absorption is improved, the air between the upper shell 2 and the lower shell 1 is driven by the fan 23 to flow through the heat conduction plate 21, the heat flow absorption is accelerated, and when the rotary kiln is required to be overhauled, the upper shell 2 and the lower shell 1 can be quickly detached and separated through the screw pipe 4 and the screw sleeve 6.

The motor, the transmission device, the fan, the first heat absorption pipe, the second heat absorption pipe and the heat conduction plate of the rotary kiln radiant heat recovery device are purchased in the market, and a person skilled in the art only needs to install and operate according to the attached use instruction without creative labor of the person skilled in the art.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (8)

1. The rotary kiln radiant heat recovery device comprises a lower shell (1) and an upper shell (2), wherein the bottom of the upper shell (2) is connected with the top of the lower shell (1); the device is characterized by further comprising a connecting mechanism, a supporting mechanism and a heat recovery mechanism, wherein the connecting mechanism is arranged on the lower shell (1) and connected with the upper shell (2), the supporting mechanism is arranged at the bottom of the lower shell (1), and the heat recovery mechanism is arranged on the lower shell (1) and the upper shell (2).

2. The rotary kiln radiant heat recovery device according to claim 1, wherein the connecting mechanism comprises a lower plate (3), a stud (4), an upper plate (5) and a screw sleeve (6), the lower plate (3) is fixedly arranged on the upper portion of the lower shell (1), the stud (4) is fixedly arranged on the top of the lower plate (3), the upper plate (5) is fixedly arranged on the lower portion of the upper shell (2), a through hole is formed in the middle of the upper plate (5), the top of the stud (4) upwards penetrates through the through hole to the upper portion of the upper plate (5), and the screw sleeve (6) is screwed on the upper portion of the stud (4) and is in contact with the top of the upper plate (5).

3. The rotary kiln radiant heat recovery device according to claim 1, wherein the supporting mechanism comprises a base (7), a motor (8), a screw tube (9), a screw rod (10), a top plate (11) and a supporting frame (12), wherein the base (7) is located below the lower shell (1), the motor (8) is fixedly arranged at the top of the base (7), a transmission device is arranged in the base (7) and connected with the output end of the motor (8), the screw tube (9) is rotatably arranged in the middle of the base (7) and connected with the output end of the transmission device, the bottom of the screw rod (10) is inserted into the screw tube (9) from the top of the screw tube (9), the top plate (11) is fixedly arranged at the top of the screw rod (10), the supporting frame (12) is fixedly arranged at the top of the top plate (11), and the top of the supporting frame (12) is fixedly connected with the bottom of the lower shell (1).

4. The rotary kiln radiant heat recovery device as claimed in claim 1, wherein the heat recovery mechanism comprises an outer connecting pipe (13), a lower branch pipe (14), an upper branch pipe (15), a first heat absorbing pipe (16), a second heat absorbing pipe (17), a lower exhaust pipe (18), an upper exhaust pipe (19) and a hot water pipe (20), wherein the first heat absorbing pipe (16) is fixedly arranged at the middle part of the lower shell (1), the lower branch pipe (14) is fixedly arranged at the right front side of the first heat absorbing pipe (16) and extends out of the lower shell (1) forwards, the outer connecting pipe (13) is arranged at the bottom of the lower branch pipe (14), the second heat absorbing pipe (17) is fixedly arranged at the middle part of the upper shell (2), the upper branch pipe (15) is fixedly arranged at the right front end of the second heat absorbing pipe (17) and extends out of the upper shell (2) forwards, the front part of the upper branch pipe (15) is connected with the lower branch pipe (14) through a flange, the lower exhaust pipe (18) is fixedly arranged at the left rear end of the first heat absorbing pipe (16) and extends out of the lower shell (1) backwards, the pipe (20) is arranged at the rear left rear part of the first heat absorbing pipe (16) and extends out of the upper part (19) through the flange (19).

5. A radiant heat recovery apparatus of a rotary kiln according to claim 4, further comprising a heat conductive plate (21), supporting wheels (22) and a fan (23), wherein the heat conductive plate (21) is provided with a plurality of groups and is uniformly arranged on the upper heat absorbing pipe and the lower heat absorbing pipe, the supporting wheels (22) are rotatably arranged at the inner end of the lower shell (1), and the fan (23) is fixedly arranged on the lower shell (1).

6. A radiant heat recovery device for a rotary kiln according to claim 3, further comprising a supporting rod (24), a fixing plate (25), a guide tube (26), a guide rod (27) and a universal wheel (28), wherein the supporting rod (24) is fixedly arranged at the top of the base (7), the fixing plate (25) is fixedly arranged at the middle part of the supporting rod (24), the middle part of the fixing plate (25) is sleeved on the upper part of the screw tube (9), the guide tube (26) is fixedly arranged at the top of the base (7) and upwards penetrates through the fixing plate (25), the guide rod (27) is fixedly arranged at the bottom of the top plate (11), the bottom of the guide rod (27) is downwards inserted into the guide tube (26), and the universal wheel (28) is arranged at the bottom of the base (7).

7. A radiant heat recovery apparatus for rotary kiln according to claim 1, further comprising a seal ring (29), the seal ring (29) being fixedly provided at the ends of the lower shell (1) and the upper shell (2).

8. A radiant heat recovery unit for a rotary kiln according to claim 1, further comprising a lifting ring (30), the lifting ring (30) being fixedly arranged on top of the upper shell (2).